Perhaps you should try some spelling variations:
thanh lai » thanh hai, thanh lap, thanh loi
dang xay » dang van, van xay
va thanh » gia thanh, ban thanh, va tinh
chat tuc » chat xuc, luat tuc, chat huu
bo sach » co sach, hoc sach
lai cua » dai cua, hai cua, lai chau
cua tre » cua te, cuu tre, cua triet
hieu va » lieu va
tuc va » thuc va, truc va, tuc xa

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: bo sach y ((dang xay) or (nang x)) hoi. ((hieu va) or (hieu qua)) chat tuc va thanh lai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: bo sach y ((dang xay) OR (nang x)) hoi. ((hieu va) OR (hieu qua)) chat tuc va thanh lai cua tre.
• Adding a wildcard symbol may retrieve word variants: bo sach y ((dang xay) or (nang x)) hoi. ((hieu va) or (hieu qua)) chat tuc va thanh lai cua tre*.